Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MS_1960__94_3_a0, author = {{\CYRYU}.{\CYRG}. {\CYRR}{\cyre}{\cyrsh}{\cyre}{\cyrt}{\cyrn}{\cyrya}{\cyrk}}, title = {{\CYRK} {\cyrt}{\cyre}{\cyro}{\cyrr}{\cyri}{\cyri} {\cyrp}{\cyrr}{\cyro}{\cyrs}{\cyrt}{\cyrr}{\cyra}{\cyrn}{\cyrs}{\cyrt}{\cyrv} {\cyrk}{\cyrr}{\cyri}{\cyrv}{\cyri}{\cyrz}{\cyrn}{\cyrery}, {\cyrn}{\cyre} {\cyrb}{\cyro}{\cyrl}{\cyrsftsn}{\cyrsh}{\cyre}{\cyrishrt} $K$}, journal = {Matemati\v{c}eskij sbornik}, pages = {789--798}, publisher = {mathdoc}, volume = {94}, number = {3}, year = {1960}, zbl = {0101.40201}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MS_1960__94_3_a0/} }
Ю.Г. Решетняк. К теории пространств кривизны, не большей $K$. Matematičeskij sbornik, Tome 94 (1960) no. 3, pp. 789-798. http://geodesic.mathdoc.fr/item/MS_1960__94_3_a0/